$ git clone -n https://src.fedoraproject.org/rpms/dav1d.git /var/lib/mock/f40-build-786623-134469/root/chroot_tmpdir/scmroot/dav1d
Cloning into '/var/lib/mock/f40-build-786623-134469/root/chroot_tmpdir/scmroot/dav1d'...
$ git fetch origin f8eb113375196d47a6f55ab8e98383db193e949e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dav1d
 * [new ref]         f8eb113375196d47a6f55ab8e98383db193e949e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8eb113 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild